Headset



FIG. 1 is a perspective view of a headset showing our new design, the undisclosed end views are not part of the claimed design;

FIG. 2 is a back view of a second embodiment of a headset showing our new design of FIG. 7;

FIG. 3 is a bottom view of FIG. 5;

FIG. 4 is a side view of FIG. 1;

FIG. 5 is a front view of a third embodiment of a headset showing our new design, the undisclosed ends and side views are not part of the claimed design;

FIG. 6 is a side view of FIG. 1; and,

FIG. 7 is a top view of FIG. 2, the undisclosed ends and side views are not part of the claimed design. 

The ornamental design for headset, as shown and described. 